cursor-ai

ai-data-extractor

Python

72

Free open-source extractor for AI coding assistant chat histories. Supports Claude Code, Cursor, Windsurf, Aider, Cline/Roo Code, and more.

canivibecodeit

JavaScript

80

Find out which subscriptions are one prompt away from free. caniuse.com, but for replacing SaaS with one AI prompt.

better-harness

JavaScript

95

An open-source Harness Engineering platform for coding agents—define harnesses as code, run controlled experiments, inspect evidence, and compare outcomes.

system-prompts-and-models-of-ai-tools

100

FULL Augment Code, Claude Code, Cluely, CodeBuddy, Comet, Cursor, Devin AI, Junie, Kiro, Leap.new, Lovable, Manus, NotionAI, Orchids.app, Perplexity, Poke, Qoder, Replit, Same.dev, Trae, Traycer AI, VSCode Agent, Warp.dev, Windsurf, Xcode, Z.ai Code, Dia & v0. (And other Open Sourced) System Prompts, Internal Tools & AI Models

omnigent

Python

85

Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, Codex, Cursor, Pi, and custom agents — swap harnesses without rewriting, enforce policies and sandboxing, and collaborate in real time from any device.

self-learning-skills

72

A self-improving skill for AI coding agents (Claude Code, Cursor, AGENTS.md): recognize a hard-won golden path in a session and harvest it into a reusable skill/rule for next time.

agent-rules-books

72

AGENTS.md rules / skills for AI coding agents: Codex, Cursor & Claude Code. Inspired by Clean Code, Refactoring, DDD, Clean Architecture and DDIA programming books.

awesome-gamedev-agent-skills

Python

77

67 game-dev skills for AI coding agents — Godot, Unity, Unreal, Phaser, PixiJS, three.js, Bevy, pygame, LÖVE, Roblox. Portable SKILL.md Agent Skills (the format Anthropic launched as Claude Skills), with a router that loads the right skill for your engine and task. Runs in Claude Code, Cursor, Kiro, Codex, Copilot, Gemini CLI and more.

Endoplexity

TypeScript

68

Agentic browser control driven by your own Claude / Cursor subscriptions

ponytail

JavaScript

100

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

TrueDeck

TypeScript

68

Free multi-agent coding workbench: Grok/Codex/Claude/Cursor panes + TrueMemory (per-repo + global)

ECC

JavaScript

100

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

unlazy

JavaScript

77

Anti-laziness skill for AI agents. Core: the Depth Tree method, which splits a task N layers deep and gives every leaf the full time budget of the whole task, so effort multiplies with depth. Grounded in 2025-2026 research on model laziness, underthinking and premature completion.

Brand-building-skills

Shell

72

Brand building skills for Claude Code and AI agents. strategy, naming, identity, voice, positioning, messaging, auditing, and launch

loopkit

Shell

70

33 battle-tested skills + minimal .claude harness for any coding agent (Claude Code, Cursor, Codex, Gemini CLI).

token-diet

Shell

53

Always-on token-efficiency skill for coding agents (Claude Code, Codex, Cursor, Windsurf, Cline). ~31% lower bill on average, no loss of correctness.

diri

Rust

82

Native macOS orchestrator for coding agents — run Claude Code, Codex, Cursor, Gemini and shells in parallel across git worktrees and remote hosts

ORG2

TypeScript

90

System of record for how agents build software: Built-in rust harness & 20+ CLIs.

deja-vu

Go

82

Memory for coding agents. Indexes the sessions 18 agents already wrote to disk, including months from before you installed it, and recalls them in any of them. No LLM, no embeddings — one local Go binary.

paxm

Go

77

Persistent, provider-neutral memory for Codex, Claude Code, OpenCode, Pi, and MCP coding agents.

codebase-memory-mcp

C

95

High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 158 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.

codex

Rust

90

Lightweight coding agent that runs in your terminal

delegate-skills

JavaScript

95

Delegate a coding task to a separate coding agent CLI, review the diff, land the commit yourself — one per implementer.

capptivo

TypeScript

77

Give your demos the spotlight they deserve ( Mac/Windows/Linux ).